CVE-2020-8260
Published: November 3, 2021
Official Description
Pulse Connect Secure contains an unspecified vulnerability that allows an authenticated attacker to perform code execution using uncontrolled gzip extraction.
CISA KEV Advisory
Ivanti Pulse Connect Secure Code Execution Vulnerability
Pulse Connect Secure contains an unspecified vulnerability that allows an authenticated attacker to perform code execution using uncontrolled gzip extraction.
Apply updates per vendor instructions.
Risk Analysis
Pulse Connect Secure contains an unspecified vulnerability that allows an authenticated attacker to execute code through uncontrolled gzip extraction. The high EPSS score of 0.75886 indicates a significant likelihood of exploitation, and its presence in CISA's KEV confirms active exploitation, making this an urgent security concern.
This vulnerability is actively being exploited in the wild, as confirmed by its inclusion in CISA's KEV.
Apply the latest security updates and patches for Pulse Connect Secure to address this vulnerability and prevent code execution.
Technical Analysis
CVE-2020-8260 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2020-8260 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-8260 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1